SUSE update for clamav



Published: 2021-04-14
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2021-1252
CVE-2021-1404
CVE-2021-1405
CWE-ID CWE-835
CWE-125
CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		SUSE Linux Enterprise Server
Operating systems & Components / Operating system

SUSE OpenStack Cloud Crowbar
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP
Operating systems & Components / Operating system

HPE Helion Openstack
Operating systems & Components / Operating system

SUSE OpenStack Cloud
Operating systems & Components / Operating system

clamav-debugsource
Operating systems & Components / Operating system package or component

clamav-debuginfo
Operating systems & Components / Operating system package or component

clamav
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU52792

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1252

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in the Excel XLM macro parsing module. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP4-LTSS

SUSE OpenStack Cloud Crowbar: 8 - 9

SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4

HPE Helion Openstack: 8

SUSE OpenStack Cloud: 8 - 9

clamav-debugsource: before 0.103.2-33.35.1

clamav-debuginfo: before 0.103.2-33.35.1

clamav: before 0.103.2-33.35.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20211189-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU52793

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1404

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the PDF parsing module. A remote attacker can create a specially crafted PDF file, pass it to the application, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP4-LTSS

SUSE OpenStack Cloud Crowbar: 8 - 9

SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4

HPE Helion Openstack: 8

SUSE OpenStack Cloud: 8 - 9

clamav-debugsource: before 0.103.2-33.35.1

clamav-debuginfo: before 0.103.2-33.35.1

clamav: before 0.103.2-33.35.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20211189-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) NULL pointer dereference

EUVDB-ID: #VU52784

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1405

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can send a specially crafted email to the server and perform a denial of service (DoS) attack.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP4-LTSS

SUSE OpenStack Cloud Crowbar: 8 - 9

SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4

HPE Helion Openstack: 8

SUSE OpenStack Cloud: 8 - 9

clamav-debugsource: before 0.103.2-33.35.1

clamav-debuginfo: before 0.103.2-33.35.1

clamav: before 0.103.2-33.35.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20211189-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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